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Journal of Parenteral and Enteral Nutrition
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2007 Clinical Nutrition Week Research Workshop Papers

Drug-Induced Hyperphagia: What Can We Learn From Psychiatric Medications?

Gordon L. Jensen, MD, PhD

From the Vanderbilt Center for Human Nutrition, Nashville, Tennesee.

Address correspondence to: Gordon L Jensen, Vanderbilt Center for Human Nutrition, 514 Medical Arts Building, Nashville, TN 37232.

This brief review examines hyperphagia and associated weight gain as undesirable side effects of psychiatric medications; exploring the scope of the problem, proposed mechanisms, and potential interventions. Mechanisms of action appear to include drug-mediated effects on hypothalamic appetite pathways that have been implicated in other etiologies of obesity. There is great individual variation in response to these medications as well as variation in the degree of weight gain within drug classes. Gene polymorphisms may be a key factor in determining individual variations in response. Better understanding of the underlying mechanisms can guide useful interventions. Medication selection and dosing appear to be important strategies to minimize adverse weight gain.

Key Words: psychiatric • medications • hyperphagia • appetite • weight gain • obesity

Journal of Parenteral and Enteral Nutrition, Vol. 32, No. 5, 578-581 (2008)
DOI: 10.1177/0148607108321708
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